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Oracle Troubleshooting

ORA-27102: out of memory


When starting Oracle the following error is produced:

ORA-27102: out of memory
SVR4 Error: 12: Not enough space


Oracle is out of memory.


  • Oracle recommends reducing the value for LARGE_POOL_SIZE until the database starts.

This page represents one page of many pages of notes I made whilst working with Oracle 7 through to 10i. I now no longer work with Oracle databases, but hope that these notes will continue to be of benefit to others.

About the author: is a dedicated software developer and webmaster. For his day job he develops websites and desktop applications as well as providing IT services. He moonlights as a technical author and consultant.